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Fully Welded Ball Valve API6D CLASS 150~2500
Full welded ball valve,API6D API6D CLASS 150~2500 pipeline ball valve
Forged steel completely welded,underground valve.
Size Range:1/2″~60″(DN15~DN1500)
Pressure Class:ASME CLASS 150~2500
Main material:carbon steel, low temperature steel, staniless steel, alloy steel & duplex steel etc.
Ends:RF,RTJ,SW,NPT,BW etc.
Operation type:H.O,G.O,Pneumatic operation,Actuator operation etc.NORTECH is one of the leading China Fully Welded Ball Valve Manufacturer & Supplier.
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Resilient Seated Butterfly Valve Wafer Type
Resilient seated butterfly valves,wafer type,lined with rubber sleeve.
Centric shaft position,100% bi-directional bubble tightness
Pinless disc design to prevent the leakage from the disc
Compact design and simple structure
Easy maintanance with replaceable parts
Function as isolation valve and flow regulating valve.
wide range of application and low cost.
Wafer type between flanges of various standard
NPS 1.5”-24” Mounted between flanges ANSI B16.1,ASME B16.5
Diameter 40mm – 600 mm between flanges EN1092 PN10,PN16,PN25
Design standard: API 609, BS EN 593, MSS SP-67.
Face-to-Face dimension: API 609, ISO 5752, BS EN 558, BS 5155, MS SP-67.
Lever / worm gearbox operator / electric operator / pneumatic operator
Working Pressure: PN10/16/25,Class125/150
NORTECH is one of the leading China Resilient seated Butterfly Valve wafer type Manufacturer & Supplier.
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Double Flange Butterfly Valve
Double flange butterfly valve
Design and Manufacture standard:API609/EN593
Rubber seat vulcanized directly on the body.
it could be used at the end of the pipeline.
Face to face:ISO5752/EN558-1 series 13
Flange end EN1092-2 PN10/PN16/PN25,ANSI 125/150
DN 50mm-1200mm
Body:Ductile iron/carbon steel/stainless steel/Alu-bronze
Disc:Ductile iron/carbon steel/stainless steel/Alu-bronze
Seat:EPDM/NBR/FKM/Silicone
NORTECH is one of the leading China Double Flange Butterfly Valve Manufacturer & Supplier.
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Double Eccentric Butterfly Valve
Double eccentric butterfly valve high performance
Design and Manufacture standard:API609
Face to face:ANSI B 16.10
Temperature and pressure ASME B 16.34
Pressure rating ANSI 150/300/600
DN50-DN1800(2″-72″)
Body:Carbon steel/Stainless steel
Disc:Stainless steel
Seat:PTFE/RPTFE
NORTECH is one of the leading China Double Eccentric Butterfly Valve Manufacturer & Supplier.
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Triple Eccentric Butterfly Valve
Triple eccentric butterfly valve,high performance
Design and Manufacture standard:API609
Face to face:ANSI B 16.10
Temperature and pressure ASME B 16.34
Pressure rating ANSI 150/300/600/900
DN50-DN1500(2″-60″)
Materials:Carbon steel/Stainless steel/Monel/Hastelloy etc
Seat:Multi-layer or metal-metal
NORTECH is one of the leading China Triple Eccentric Butterfly Valve Manufacturer & Supplier.
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Floating Ball Valve
Floating ball valves,nominal diameter 1/2”~8”
API6D,Fire proof API607,ATEX Certified
Pressure Rating:CLASS 150~600
Design Standard:ASME B 16.34/API 6D /API 608/BS EN ISO17292/ISO14313
Face To Face Dimensions:ASME B 16.10/API 6D/EN558
Connection End:ASME B 16.5/ASME B 16.47/ASME B 16.25/EN1092/JIS B2220/GOST12815
Type Of Connection:RF/RTJ/BW.
Manual operation,Pneumatic operation,Electric operation,or Free stem with ISO5211 plat form foractuators.
NORTECH is one of the leading China Floating Ball Valve Manufacturer & Supplier.
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Trunnion mounted Ball Valve
Trunnion mounted ball valve NPS:2″-56″
API 6D,API 607 Firesafe,NACE MR0175, ATEX Certified.
Pressure rating:Class150-2500lbs
Manual operation,Pneumatic operation and Electric operation.
Body:Cast steel,Forged steel
Seat:DEVLON/NYLON/PTFE/PPT/PEEK etc
NORTECH is one of the leading China Trunnion mounted Ball Valve Manufacturer & Supplier.
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Rubber Seat Dual Plate Check Valve
Rubber seat dual plate check valve,double door check valve
WRAS,ACS certified for drinking water,potable water
DN50-DN1000,2″-40″
PN10/PN16,ANSI Class125/150
Face to face to API594/ISO5752/EN558-1 series 16
Flange ASME B16.5,ASME B16.47,EN1092-1
NORTECH is one of the leading China Rubber Seat Dual Plate Check Valve Manufacturer & Supplier.
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Cast Steel Lift Check Valve
DIN/EN Cast steel Lift check valve,piston check valve
Diameter:DN15-DN400,PN16-PN100
BS EN 12516-1,BS1868
Face to face to EN558-1/DIN3202
Body/bonnet/Disc:GS-C25/1.4308/1.4408
Trim:13CR+STL/F304/F316
NORTECH is one of the leading China Cast Steel Lift Check Valve Manufacturer & Supplier.
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Ball Check Valve
Ball check valve
Nominal diameter:DN40-DN500
Disc type:Ball Check Valve
Design standard:EN12334,DIN3202 F6
Body material:Ductile iron GGG50
Ball material:Ductile iron GGG50 + EPDM/NBR coating
NORTECH is one of the leading China Ball Check Valve Manufacturer & Supplier.
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Cast Iron Swing Check Valve
Cast iron swing check valve,with closure device
Nominal diameter:DN50-DN600/2”-24”
Disc type:Swing Check Valve
Design standard:BS5153/DIN3202 F6/AWWA C508
Body material:Cast iron/Ductile iron
Disc material:Cast iron/Ductile iron
Seat material:Brass/Bronze/Stainless steel
NORTECH is one of the leading China Cast Iron Swing Check Valve
Manufacturer & Supplier.
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Air cushioned cylinder Swing Check Valve
Air Cushioned cylinder Cast iron swing check valve,with counterweight and actuator
Nominal diameter:DN50-DN600/2”-24”
Disc type:Swing Check Valve
Design standard:BS5153/DIN3202 F6/AWWA C508
Body material:Cast iron/Ductile iron
Disc material:Cast iron/Ductile iron
Seat material:Brass/Bronze/Stainless steel
NORTECH is one of the leading China Air cushioned cylinder Cast Iron Swing Check Valve
Manufacturer & Supplier.